1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settingslib.development; 18 19 import android.app.ActivityManager; 20 import android.content.ContentResolver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.os.UserManager; 24 import android.provider.Settings; 25 import android.support.annotation.VisibleForTesting; 26 import android.support.v14.preference.SwitchPreference; 27 import android.support.v4.content.LocalBroadcastManager; 28 import android.support.v7.preference.Preference; 29 import android.support.v7.preference.PreferenceScreen; 30 import android.support.v7.preference.TwoStatePreference; 31 import android.text.TextUtils; 32 33 import com.android.settingslib.core.ConfirmationDialogController; 34 35 public abstract class AbstractEnableAdbPreferenceController extends 36 DeveloperOptionsPreferenceController implements ConfirmationDialogController { 37 private static final String KEY_ENABLE_ADB = "enable_adb"; 38 public static final String ACTION_ENABLE_ADB_STATE_CHANGED = 39 "com.android.settingslib.development.AbstractEnableAdbController." 40 + "ENABLE_ADB_STATE_CHANGED"; 41 42 public static final int ADB_SETTING_ON = 1; 43 public static final int ADB_SETTING_OFF = 0; 44 45 46 protected SwitchPreference mPreference; 47 AbstractEnableAdbPreferenceController(Context context)48 public AbstractEnableAdbPreferenceController(Context context) { 49 super(context); 50 } 51 52 @Override displayPreference(PreferenceScreen screen)53 public void displayPreference(PreferenceScreen screen) { 54 super.displayPreference(screen); 55 if (isAvailable()) { 56 mPreference = (SwitchPreference) screen.findPreference(KEY_ENABLE_ADB); 57 } 58 } 59 60 @Override isAvailable()61 public boolean isAvailable() { 62 final UserManager um = mContext.getSystemService(UserManager.class); 63 return um != null && (um.isAdminUser() || um.isDemoUser()); 64 } 65 66 @Override getPreferenceKey()67 public String getPreferenceKey() { 68 return KEY_ENABLE_ADB; 69 } 70 isAdbEnabled()71 private boolean isAdbEnabled() { 72 final ContentResolver cr = mContext.getContentResolver(); 73 return Settings.Global.getInt(cr, Settings.Global.ADB_ENABLED, ADB_SETTING_OFF) 74 != ADB_SETTING_OFF; 75 } 76 77 @Override updateState(Preference preference)78 public void updateState(Preference preference) { 79 ((TwoStatePreference) preference).setChecked(isAdbEnabled()); 80 } 81 enablePreference(boolean enabled)82 public void enablePreference(boolean enabled) { 83 if (isAvailable()) { 84 mPreference.setEnabled(enabled); 85 } 86 } 87 resetPreference()88 public void resetPreference() { 89 if (mPreference.isChecked()) { 90 mPreference.setChecked(false); 91 handlePreferenceTreeClick(mPreference); 92 } 93 } 94 haveDebugSettings()95 public boolean haveDebugSettings() { 96 return isAdbEnabled(); 97 } 98 99 @Override handlePreferenceTreeClick(Preference preference)100 public boolean handlePreferenceTreeClick(Preference preference) { 101 if (isUserAMonkey()) { 102 return false; 103 } 104 105 if (TextUtils.equals(KEY_ENABLE_ADB, preference.getKey())) { 106 if (!isAdbEnabled()) { 107 showConfirmationDialog(preference); 108 } else { 109 writeAdbSetting(false); 110 } 111 return true; 112 } else { 113 return false; 114 } 115 } 116 writeAdbSetting(boolean enabled)117 protected void writeAdbSetting(boolean enabled) { 118 Settings.Global.putInt(mContext.getContentResolver(), 119 Settings.Global.ADB_ENABLED, enabled ? ADB_SETTING_ON : ADB_SETTING_OFF); 120 notifyStateChanged(); 121 } 122 notifyStateChanged()123 private void notifyStateChanged() { 124 LocalBroadcastManager.getInstance(mContext) 125 .sendBroadcast(new Intent(ACTION_ENABLE_ADB_STATE_CHANGED)); 126 } 127 128 @VisibleForTesting isUserAMonkey()129 boolean isUserAMonkey() { 130 return ActivityManager.isUserAMonkey(); 131 } 132 } 133